Huawei Huawei Certifications H12-224 Questions & Answers

• Question 391:

  Which of the BGP attributes are Well-known mandatory attributes? (Choose three.)

  A. ORIGIN

  B. AS_PATH

  C. NEXT_HOP

  D. MED

  E. LOCAL_PREF

  F. COMMUNITY

  Correct Answer: ABC

• Question 392:

  When the import-route command is used to import routes to BGP, which statement is false?

  A. The import-route command can import IGP routes, direct routes, and static routes to BGP.

  B. A process ID must be specified if OSPF routes, or RIP routes are imported to BGP.

  C. By default, the Origin attribute of imported routes is IGP.

  D. Routing policies can be used to filter the routes imported from other routing protocols.

  Correct Answer: C

• Question 393:

  In OSPF protocol, which of the following elements are used by Network LSA to describe broadcast network segment or NBMA network segment? (Choose three.)

  A. Link ID

  B. Net mask

  C. Attached Router list

  D. Metric

  Correct Answer: ABC

• Question 394:

  A BGP finite state machine has the following states:

  Active OpenConfirm Idle Establish OpenSent

  What is the state transition sequence in which the BGP peer relationship is established?

  A. Idle-OpenSent-OpenConfirmActive-Establish

  B. Idle-Active-OpenSent-OpenConfirm-Establish

  C. Active-Idle-OpenSent-OpenConfirm-Establish

  D. Idle-Active-OpenConfirm-OpenSent-Establish

  Correct Answer: B

• Question 395:

  Which command can trigger the advertisement of BGP routes without interrupting a BGP connection?

  A. Reset bgp

  B. Refresh bgp all external

  C. Refresh bgp all internal

  D. RR-filter

  Correct Answer: B

• Question 396:

  Which of the following BGP filters can be used to set route attributes?

  A. Ip-prefix

  B. Route-policy

  C. As-path-filer

  D. Community-filter

  Correct Answer: B

• Question 397:

  The ABR of an NSSA will not advertise Type-4 and Type-5 LSAs to an NSSA but can import external routes into the NSSA.

  A. True

  B. False

  Correct Answer: A

• Question 398:

  In transit AS, why do core routers run BGP?

  A. Eliminate route loops

  B. Ensure data packets can be transmitted to the external destination addresses

  C. Optimize network within an AS

  D. Ensure only one export

  Correct Answer: B

• Question 399:

  BGP peers are automatically discovered by exchanging multicast packets.

  A. True

  B. False

  Correct Answer: B

• Question 400:

  Which statements about the Local-Preference attribute are true? (Choose two.)

  A. Based on BGP route selection rules, the Local-Preference attribute has a lower priority than the Preferred-Value attribute. This means that BGP compares Local-Preference attributes of routes after comparing Preferred-Value attributes of them.

  B. The Local-Preference attribute of a BGP route defaults to 0.

  C. The Local-Preference attribute is used to select an exit point from the local AS for data flows.

  D. Based on BGP route selection rules, the Local-Preference attribute has a lower priority than the MED attribute. This means that BGP compares Local-Preference attributes of routes after comparing MED attributes of them.

  Correct Answer: AC